function []=main()
%主函数
    %用Lax-Friedrichs格式计算问题3
    T = 0.038;
    v = 0.01;
    n = 20000;

    [rho,rhou,E]=LaxFriedrichs3(n,v);

    %用Lax-Friedrichs格式计算问题4
    T = 1.8;
    n = 10000;
    v = 0.01;
    
    [rho,rhou,E]=LaxFriedrichs4(n,v);
end
